2021 Mercedes-Benz GLA 2.0 GLA200d AMG Line Executive

Overview

• Make: Mercedes-Benz
• Model: GLA
• Trim: AMG Line Executive
• Version: 2.0 GLA200d AMG Line Executive DCT Euro 6 (s/s) 5dr 8G (148 bhp)
• Year: 2021
• Mileage: 34,400 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (DCT)
• Colour: Grey
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 34,400 miles on the clock, this 2021 Mercedes-Benz GLA AMG Line Executive has done roughly 5,700 fewer miles than a typical 2021 Mercedes-Benz GLA. The dealer is asking £19,488, which is £1,187 below the AskCar estimate of £20,675. To work out the AskCar estimate, we analyse UK dealer adverts for 2,516 Mercedes-Benz GLA cars across different ages and specifications. We first recorded this car for sale 44 days ago. Its advertised mileage matches the government's MOT record. It is advertised by The Car Traders London in Romford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,187 (5%) under the AskCar estimate of £20,675.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 2,516 priced Mercedes-Benz GLA adverts across different ages and specifications, as of 6 November 2026.

A 2021 Mercedes-Benz GLA with the 2.0 diesel engine is typically advertised at £20,300: the median of the 104 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 Mercedes-Benz GLA has been on sale for at least 44 days.

Price history

AskCar first saw this advert on 23 September 2026 at £19,488. Its asking price has not changed.

Price changes recorded:

• 23 September 2026: £19,488
• 25 September 2026: £21,688
• 27 September 2026: £21,588
• 29 September 2026: £19,888
• 30 September 2026: £19,688
• 6 October 2026: £19,888
• 7 October 2026: £19,788
• 8 October 2026: £19,888
• 21 October 2026: £19,988
• 25 October 2026: £19,788
• 3 November 2026: £19,090
• 4 November 2026: £19,488

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 6 May 2027.

It has had 3 MOTs. The latest, on 6 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 32,601 miles, which matches the advertised 34,400 miles.

Advertised mileage is about 5,700 miles lower than the median mileage of a 2021 Mercedes-Benz GLA on AskCar.

Similar cars

20 other 2021 Mercedes-Benz GLA AMG Line Executive 2.0 diesel automatic SUVs are for sale at UK dealers, from £11,494 to £24,000, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, silver. Mileage: 31,704 miles. Price: £19,550, £62 more than this car. Dealer: CarTime in Bury. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-934dbb4541ea
• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, blue. Mileage: 31,000 miles. Price: £19,500, the same price as this car. Dealer: Reverie Autos in Hatfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-33ed505eb895
• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, grey. Mileage: 38,774 miles. Price: £19,195, £293 less than this car. Dealer: Motor Trust Lancaster in Lancaster. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-f922a44cee35

• The nearest: 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, grey, 3 miles from this car. Mileage: 47,530 miles. Price: £18,341, £1,147 less than this car. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-3e7a46eada4b